Neil Walker hits the second Opening Day grand slam in Pittsburgh Pirates history, powering a shot out of Wrigley Field. It had been 49 years since Roberto Clemente had delivered a grand slam in an opener for the Bucs. Pittsburgh wins, 6 – 3, over the Cubs.

On April 1, 2011 — Neil Walker hits the second Opening Day grand slam in Pittsburgh Pirates history, powering a shot out of Wrigley Field. It had been 49 years since Roberto Clemente had delivered a grand slam in an opener for the Bucs. Pittsburgh wins, 6 – 3, over the Cubs.